Battery pack



FIG. 1 is a front, top, and left perspective view of a first embodiment of the design for a battery pack.

FIG. 2 is a back, bottom, and right perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a back elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a front, top, and left perspective view of a second embodiment of the design for a battery pack.

FIG. 10 is a back, bottom, and right perspective view thereof.

FIG. 11 is a front elevation view thereof.

FIG. 12 is a back elevation view thereof.

FIG. 13 is a right side elevation view thereof.

FIG. 14 is a left side elevation view thereof.

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken lines in the drawings depict portions that form no part of the claimed design. 

CLAIM The ornamental design for a battery pack, as shown and described. 